Hibernate4.3.8 buildSessionFactory过时解决方案HibernateUtil

import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
import org.hibernate.cfg.Configuration;
import org.hibernate.service.ServiceRegistry;

public class HibernateUtil {

private static SessionFactory sf=null;
static{
//1.创建Configuration,该对象用于读取hibernate.cfg.xml,并完成初始化
Configuration cfg=new Configuration();
cfg.configure();
//2.创建SessoinFactory[这是一个会话工厂，是一个重量级的对象
ServiceRegistry  sr = new StandardServiceRegistryBuilder().applySettings(cfg.getProperties()).build();
sf = cfg.buildSessionFactory(sr);
}
public static Session getSession(){

return sf.openSession();
}
}